import React, { Component} from 'react';
import Split from '../CommonComponent/Split'
import {Link} from 'react-router';
import Top from '../CommonComponent/Top'
import Time from '../CommonComponent/Time'
import {AmountInfo,MyInfo} from '../../Action/auth';
import Empty from '../CommonComponent/Empty'
import {bodyScroll} from '../../Action/rpc';
import $ from "jquery";
import iScroll from "iscroll/build/iscroll-probe";

export default class Balance extends Component {
    // 构造
    constructor(props) {
        super(props);
        // 初始状态
        this.state = {
            userArray:[],
            nowAmount:'',
            listPage:1,
            goodsList:''
        };
        this.page = 1;
        this.list=[];
        this.loadingStep = 0;
    }

    async componentWillMount() {
        this.getMyInfo();
        await this.getAmountInfo(1);
        this.myScroll.refresh();
    }

    componentDidMount() {
        document.querySelector('body').addEventListener('touchmove',bodyScroll, false);

        var pullDownEl = $('#pullDown');
        pullDownEl['class'] = pullDownEl.attr('class');
        pullDownEl.attr('class','').hide();

        var pullUpEl = $('#pullUp');
        pullUpEl['class'] = pullUpEl.attr('class');
        pullUpEl.attr('class','').hide();

        this.myScroll = new iScroll('#content', {
            preventDefault: false,
            probeType: 2,//probeType：1对性能没有影响。在滚动事件被触发时，滚动轴是不是忙着做它的东西。probeType：2总执行滚动，除了势头，反弹过程中的事件。这类似于原生的onscroll事件。probeType：3发出的滚动事件与到的像素精度。注意，滚动被迫requestAnimationFrame（即：useTransition：假）。
            scrollbars: true,//有滚动条
            mouseWheel: true,//允许滑轮滚动
            fadeScrollbars: true,//滚动时显示滚动条，默认影藏，并且是淡出淡入效果
            bounce:true,//边界反弹
            interactiveScrollbars:true,//滚动条可以拖动
            shrinkScrollbars:'scale',// 当滚动边界之外的滚动条是由少量的收缩。'clip' or 'scale'.
            click: true ,// 允许点击事件
            keyBindings:true,//允许使用按键控制
            momentum:true// 允许有惯性滑动
        });
        //滚动时
        this.myScroll.on('scroll', this.scroll );
        this.myScroll.on('touchmove', function(e){e.stopPropagation()});
        //滚动完毕
        this.myScroll.on('scrollEnd',this.scrollEnd );
    }

    scroll=()=>{
        var pullDownEl = $('#pullDown');
        var pullDownL = pullDownEl.find('.pullDownLabel');
        var pullUpEl = $('#pullUp');
        var pullUpL = pullUpEl.find('.pullUpLabel');

        if(this.loadingStep == 0 && !pullDownEl.attr('class').match('flip|loading') && !pullUpEl.attr('class').match('flip|loading')){
            if (this.myScroll.y > 5) {
                //下拉刷新效果
                pullDownEl.attr('class',pullUpEl['class'])
                pullDownEl.show();
                this.myScroll.refresh();
                pullDownEl.addClass('flip');
                pullDownL.html('下拉刷新...');
                this.loadingStep = 1;
            }else if (this.myScroll.y < (this.myScroll.maxScrollY - 5) && this.state.userArray.length>0) {
                if(this.state.listPage!=this.page){
                    //上拉刷新效果
                    pullUpEl.attr('class',pullUpEl['class'])
                    pullUpEl.show();
                    this.myScroll.refresh();
                    pullUpEl.addClass('flip');
                    pullUpL.html('上拉加载...');
                    this.loadingStep = 1;
                }
            }
        }

    }
    scrollEnd=()=>{
        var pullDownEl = $('#pullDown');
        var pullDownL = pullDownEl.find('.pullDownLabel');
        var pullUpEl = $('#pullUp');
        var pullUpL = pullUpEl.find('.pullUpLabel');

        if(this.loadingStep == 1){
            if (pullUpEl.attr('class').match('flip|loading')) {
                pullUpEl.removeClass('flip').addClass('loading');
                pullUpL.html('Loading...');
                this.loadingStep = 2;
                this.pullUpAction();
            }else if(pullDownEl.attr('class').match('flip|loading')){
                pullDownEl.removeClass('flip').addClass('loading');
                pullDownL.html('Loading...');
                this.loadingStep = 2;
                this.pullDownAction();
            }
        }
    }

    pullDownAction() {//下拉事件
        var pullDownEl = $('#pullDown');
        var pullDownL = pullDownEl.find('.pullDownLabel');

        this.page=1;
        this.getAmountInfo(this.page)

        pullDownEl.removeClass('loading');
        pullDownL.html('下拉刷新...');
        pullDownEl['class'] = pullDownEl.attr('class');
        pullDownEl.attr('class','').hide();
        this.myScroll.refresh();
        this.loadingStep = 0;
    }
    pullUpAction() {//上拉事件
        var pullUpEl = $('#pullUp');
        var pullUpL = pullUpEl.find('.pullUpLabel');

        if(this.state.listPage>this.page){
            this.page++;
            this.getAmountInfo(this.page)
        }
        pullUpEl.removeClass('loading');
        pullUpL.html('上拉显示更多...');
        pullUpEl['class'] = pullUpEl.attr('class');
        pullUpEl.attr('class','').hide();
        this.myScroll.refresh();
        this.loadingStep = 0;
    }

    componentWillUnmount() {
        document.querySelector('body').removeEventListener('touchmove',bodyScroll, false);
    }

    //订单列表
    async getAmountInfo(curpage){
        await AmountInfo(curpage)
            .then(res=>{
                const page = Math.ceil(res.total/res.pageSize);
                this.setState({listPage:page})
                if(page==1){
                    this.list = res.resultList;
                    this.setState({userArray:this.list})
                }else{
                    this.list = this.list.concat(res.resultList);
                    this.setState({userArray:this.list})
                }
                this.myScroll.refresh();
            })
            .catch(err=>{
                alert(err.message)
                console.warn('err',err)
            })
    }

    async getMyInfo(){
        await MyInfo()
            .then(res=>{
                this.setState({nowAmount:res.NOW_AMOUNT})
            })
    }


    render(){
        const {userArray,nowAmount} = this.state
        return(
            <div>
                <Top
                    title ={'我的余额'}
                />
                <div className="containerNav flex flex-v" style={{top:50}}>
                    <div className="pay_padd border_bottom">
                        <div className="f14">
                            <span>维魅力</span><span className="color9">-当前余额</span>
                        </div>
                        <div className="flex flex-pack-justify" style={{alignItems:'flex-end',position:'relative',marginTop:15}}>
                            <div className="colorlv">
                                <span className="f14">￥</span>
                                <span className="borderno f18">{nowAmount}</span>
                            </div>
                            {/*<Link to={'/withdrawCash'}>
                                <div
                                    className="bgk_lv colorfff borderno border_4 balanceParent"
                                    style={{padding:'2px 40px',height:50,lineHeight: '50px',fontSize:28,margin:'0 0 0 0',
                                    position:'absolute',top:-3,right:0,borderRadius:10}}
                                    // onClick = {()=>this.setState({isCancel:true,ordernum:el.order_no})}
                                >
                                    <span className="vAlign">提现</span>
                                </div>
                            </Link>*/}

                        </div>
                    </div>
                    <Split />
                    <div className="flex-1 posr">
                        <div id="content" className="bkg_color" style={{top:0}}>
                            <div id="scroller" style={{minHeight:window.innerHeight-143}}>
                                <div id="pullDown" className="ub ub-pc c-gra">
                                    <div className="pullDownIcon"></div>
                                    <div className="pullDownLabel">下拉刷新</div>
                                </div>
                                <ul id="add" className="pAll " style={{padding:'1rem'}}>
                                    <div className="f14" style={{paddingBottom:0}}>余额使用记录</div>
                                    {
                                        userArray.length == 0?
                                            <Empty />
                                            :
                                        userArray&&userArray.map(el=>{
                                            return(
                                                <div className="flex flex-align-center flex-pack-justify border_bottom padd8 f14">
                                                    <div className="flex flex-v flex-align-center">
                                                        <span className="color6">{el.tran_name}</span>
                                                        <span className="color9 f12">{el.create_time}</span>
                                                    </div>
                                                    <div className="flex flex-v">
                                                        <div>
                                                            {el.tran_type == 4 && el.extra_msg2 != null?
                                                                <div>
                                                                    <span>{el.extra_msg2}</span>
                                                                    <span>:{el.amount}元</span>
                                                                </div>
                                                                :null
                                                        }
                                                        </div>
                                                        <span>{el.tran_type == 4?"奖励":''}金额:{el.channel_amount}元</span>
                                                    </div>
                                                </div>
                                            )
                                        })
                                    }
                                </ul>
                                <div id="pullUp" className="ub ub-pc c-gra">
                                    <div className="pullUpIcon"></div>
                                    <div className="pullUpLabel">上拉显示更多...</div>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        )
    }

}